[flatline]

The more link has the rel="nofollow" attribute, so anything but the top comments will (in theory) not be indexed by search engines either. Given that some functions of the site are based on karma, I hope it's just a stopgap measure.

[nostrademons]

I believe rel=nofollow only means that the link carries no weight for PageRank and other signals that may affect the target URLs ranking, not that it won't be indexed. To block indexing, you need a <meta name=robots content=noindex> tag on the target page itself.